add cascade for dataverse delete with metrics

[stevenwinship]

What this PR does / why we need it: dataverse delete fails if there are cached metrics due to a foreign key constraint

Which issue(s) this PR closes: #12030

• Closes Unable to delete Dataverse when a row exists in the metrics table #12030

Special notes for your reviewer:

Suggestions on how to test this: create/publish dataverse. request metrics to cause a cached row in metric table. Delete the dataverse

Does this PR introduce a user interface change? If mockups are available, please link/include them here:

Is there a release notes update needed for this change?:

Additional documentation:

[coveralls]

coverage: 24.233%. remained the same
when pulling c677875 on 12030-unable-to-delete-dataverse-with-metrics
into fd75558 on develop.

[qqmyers]

I don't think this would usually be generated (with the ON DELETE CASCADE part) - the Cascade remove annotation works at the ORM layer. At least I haven't seen it before looking at the table descriptions for other places we have cascade remove annotations. I guess I'd suggest seeing if the remove works without changing the db constraint if you haven't already.

[stevenwinship]

I re-tested everything and the annotation on Metric didn't do anything. The only change that works is the constraint change in this sql

[stevenwinship]

I tested both with upgraded db/dataverse and new db

[qqmyers]

Hmm - that seems like a problem - what annotations did you try? Orphan?

[qqmyers]

Are we missing the equivalent of

dataverse/src/main/java/edu/harvard/iq/dataverse/Dataset.java

Lines 144 to 145 in 70b6e26

	@OneToMany(mappedBy = "dataset", orphanRemoval = true, cascade = {CascadeType.REMOVE, CascadeType.MERGE, CascadeType.PERSIST})
	private List<DatasetMetrics> datasetMetrics = new ArrayList<>();

for Dataverse/Metric ?

[stevenwinship]

yes. Dataverse doesn't have that. There is no DataverseMetrics class

[stevenwinship]

added
@OneToMany(mappedBy = "dataverse", orphanRemoval = true, cascade = {CascadeType.REMOVE, CascadeType.MERGE, CascadeType.PERSIST}) private List<Metric> dataverseMetrics = new ArrayList<>();

[github-actions]

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